N.K Industries Limited engages in the manufacture, sale, and trading of castor oil and its derivatives in India. Its products portfolio includes castor oil British pharma 93 grade, cold pressed castor oil, commercial grade castor oil, first pressed degummed castor oil, first special grade-F.S.G refined castor oil, and pale pressed grade refined castor oil; DE oiled cake and high protein castor meal; oil derivatives, as such 12-hydroxy stearic acid and hydrogenated castor oil flakes/powder, and ricinoleic acid; crude glycerin; and sodium sulfate anhydrous. The company was incorporated in 1987 and is based in Ahmedabad, India.